[opaque pointer type] Add textual IR support for explicit type parameter to load instruction

Essentially the same as the GEP change in r230786.

A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)

import fileinput
import sys
import re

pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")

for line in sys.stdin:
  sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))

Reviewers: rafael, dexonsmith, grosser

Differential Revision: http://reviews.llvm.org/D7649

llvm-svn: 230794
diff --git a/llvm/test/CodeGen/SystemZ/insert-01.ll b/llvm/test/CodeGen/SystemZ/insert-01.ll
index a542cf8..eb39552 100644
--- a/llvm/test/CodeGen/SystemZ/insert-01.ll
+++ b/llvm/test/CodeGen/SystemZ/insert-01.ll
@@ -9,7 +9,7 @@
 ; CHECK-NOT: ni
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = and i32 %orig, -256
   %or = or i32 %ptr1, %ptr2
@@ -22,7 +22,7 @@
 ; CHECK-NOT: ni
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = and i32 %orig, -256
   %or = or i32 %ptr2, %ptr1
@@ -36,7 +36,7 @@
 ; CHECK: nill %r2, 65024
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = and i32 %orig, -512
   %or = or i32 %ptr1, %ptr2
@@ -49,7 +49,7 @@
 ; CHECK: nill %r2, 65024
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = and i32 %orig, -512
   %or = or i32 %ptr2, %ptr1
@@ -62,7 +62,7 @@
 ; CHECK: sll %r2, 8
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = shl i32 %orig, 8
   %or = or i32 %ptr1, %ptr2
@@ -75,7 +75,7 @@
 ; CHECK: sll %r2, 8
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %ptr1 = shl i32 %orig, 8
   %or = or i32 %ptr2, %ptr1
@@ -88,7 +88,7 @@
 ; CHECK: lhi %r2, 256
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %or = or i32 %ptr2, 256
   ret i32 %or
@@ -100,7 +100,7 @@
 ; CHECK: lhi %r2, 256
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %ptr2 = zext i8 %val to i32
   %or = or i32 256, %ptr2
   ret i32 %or
@@ -112,7 +112,7 @@
 ; CHECK: ic %r2, 4095(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 4095
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -125,7 +125,7 @@
 ; CHECK: icy %r2, 4096(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 4096
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -138,7 +138,7 @@
 ; CHECK: icy %r2, 524287(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 524287
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -153,7 +153,7 @@
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 524288
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -166,7 +166,7 @@
 ; CHECK: icy %r2, -1(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 -1
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -179,7 +179,7 @@
 ; CHECK: icy %r2, -524288(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 -524288
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -194,7 +194,7 @@
 ; CHECK: ic %r2, 0(%r3)
 ; CHECK: br %r14
   %ptr = getelementptr i8, i8 *%src, i64 -524289
-  %val = load i8 *%ptr
+  %val = load i8 , i8 *%ptr
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -208,7 +208,7 @@
 ; CHECK: br %r14
   %ptr1 = getelementptr i8, i8 *%src, i64 %index
   %ptr2 = getelementptr i8, i8 *%ptr1, i64 4095
-  %val = load i8 *%ptr2
+  %val = load i8 , i8 *%ptr2
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1
@@ -222,7 +222,7 @@
 ; CHECK: br %r14
   %ptr1 = getelementptr i8, i8 *%src, i64 %index
   %ptr2 = getelementptr i8, i8 *%ptr1, i64 4096
-  %val = load i8 *%ptr2
+  %val = load i8 , i8 *%ptr2
   %src2 = zext i8 %val to i32
   %src1 = and i32 %orig, -256
   %or = or i32 %src2, %src1